Home / 1,191.10-1,787.26-567.10

Finding the Fourth Proportional to 1,191.10, 1,787.26 and 567.10

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Solution

The fourth proportional to 1,191.10, 1,787.26 and 567.10 is: 850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191.10 : 1,787.26 = 567.10 : x
  2. Step 2: Convert to fraction form
    1,191.10/1,787.26 = 567.10/x
  3. Step 3: Cross multiply
    1,191.10x = 1,787.26 × 567.10
  4. Step 4: Simplify right side
    1,191.10x = 1,013,555.96
  5. Step 5: Solve for x
    x = 1,013,555.96/1,191.10
  6. Step 6: Final answer
    x = 850.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.